diff --git a/meson.changes b/meson.changes
index 14a6d96..ad849b2 100644
--- a/meson.changes
+++ b/meson.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Feb  4 13:35:57 UTC 2021 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Conflict with rpm-build < 4.15: meson uses internal macros
+  defined by RPM 4.15 and later.
+
 -------------------------------------------------------------------
 Sat Jan 16 13:05:47 UTC 2021 - Bjørn Lie <bjorn.lie@gmail.com>
 
diff --git a/meson.spec b/meson.spec
index ddc9ff6..c4adf7d 100644
--- a/meson.spec
+++ b/meson.spec
@@ -127,6 +127,8 @@ BuildRequires:  mono-core
 BuildRequires:  wxWidgets-devel
 %endif
 %endif
+# meson makes use of macros that were only defined with rpm 4.15
+Conflicts:      rpm-build < 4.15
 
 %description
 Meson is a build system designed to optimise programmer productivity.